Flashcards in Spinal nerves Deck (26)
Dorsal roots of contain sensory/motor fibres
Dorsal roots of contain sensory fibres
Ventral roots contain ______ fibres
Ventral roots contain motor fibres
What fibres are found in the spinal nerves?
Motor and sensory
What fibres run in the posterior rami if spinal nerves?
sensory and motor
What fibres run in the anterior rami of spinal nerves?
sensory and motor
What nerve supplies the badge patch area of the upper arm?
Axillary nerve( C5,6)
The lateral forearm is innervated by the _____ nerve anteriorly and ______ nerve posteriorly
The lateral forearm is innervated by the musculocutaneous nerve (cutaneous branch) and radial nerve posteriorly.
The medial arm and forearm are supplied by the ______ anterior rami - these refer pain from the heart.
The medial arm and forearm are supplied by the T1 and T2 anterior rami - these refer pain from the heart.
Anterior thigh is supplied by what named nerve?
Lateral thigh is supplied by the ________
lateral cutaneous nerve of the thigh
______ nerve innervates the medial aspect of the thigh
Obturator nerve innervates the medial aspect of the thigh
_____ nerve supplies the lateral aspect of the leg
Saphenous nerve supplies the lateral aspect of the leg
Dorsum of the foot is supplied by the _____ _____ nerve
Dorsum of the foot is supplied by the superficial fibular nerve
Plantar surface of the foot is supplied by the _____ nerve
Plantar surface of the foot is supplied by the tibial nerve
What is the named nerve supplying the posterior thigh?
Posterior cutaneous nerve of thigh
Where do primary motor neurons cross over?
In the medulla
The deltoid muscle, responsible for shoulder flexion, is supplied by the __ spinal nerve
Biceps brachii flexes the elbow. It is innervated by __ myotome
__ is the elbow extension/triceps myotome
Finger flexion (by flexor digitorum superficialis) is supplied by the __ myotome
dorsal interossei abduct the fingers. The myotome is __
What myotome and muscle is tested by knee extension?
L3, quadriceps femoris
What myotome does ankle dorsiflexion test?
L4, tibialis anterior
Extension of the great toe tests what myotome?
L5, extensor hallucis longus
What myotome is tested by ankle plantarflexion?